#!/bin/bash
[% c("var/set_default_env") -%]
distdir=/var/tmp/dist/binutils
[% IF c("var/linux") %]
  # Config options for hardening-wrapper
  export DEB_BUILD_HARDENING=1
  export DEB_BUILD_HARDENING_STACKPROTECTOR=1
  export DEB_BUILD_HARDENING_FORTIFY=1
  export DEB_BUILD_HARDENING_FORMAT=1
  export DEB_BUILD_HARDENING_PIE=1
[% END -%]
[% IF c("var/linux-x86_64") || c("var/linux-arm") %]
  # The libstdc++ shipped by default is non-PIC which breaks the binutils build
  # if we build with DEB_BUILD_HARDENING_PIE=1. We need to install a PIC one AND
  # make sure it gets used before the non-PIC one would.
  ln -s /usr/lib/gcc/x86_64-linux-gnu/4.7/libstdc++_pic.a libstdc++.a
  export LDFLAGS="-L$rootdir -lstdc++"
[% END %]
tar xf [% project %]-[% c("version") %].tar.bz2
cd [% project %]-[% c("version") %]
[% IF c('var/windows') -%]
  # XXX: This is needed due to bug 10102.
  sed 's/= extern_rt_rel_d;/= extern_rt_rel_d;\n  memset (extern_rt_rel_d, 0, PE_IDATA5_SIZE);/' -i ld/pe-dll.c
  # Zeroing timestamps in PE headers reliably, see bug 12753.
  patch -p1 < ../peXXigen.patch
  # Needed for the hardening...
  patch -p1 < ../enable-reloc-section-ld.patch
  # fix "right-hand operand of comma expression has no effect" warning
  patch -p1 < ../fix-warning-bfd.patch
[% END -%]
[% IF c('var/windows-x86_64') -%]
  patch -p1 < ../64bit-fixups.patch
[% END -%]
[% IF c("var/linux") && ! c("var/release") -%]
  # We need to work around a gold linker bug in 2.24 to get selfrando working,
  # see bug 20683.
  patch -p1 < $rootdir/binutils-224-gold.patch
[% END -%]
./configure --prefix=$distdir [% c('var/configure_opt') %]
make -j[% c("buildconf/num_procs") %]
make install

[% IF c("var/linux") && ! c("var/linux-arm") %]
  # Make sure gold is used with the hardening wrapper for full RELRO, see #13031.
  cd $distdir/bin
  rm ld
  cp /usr/bin/hardened-ld ./
  mv ld.gold ld.gold.real
  ln -sf hardened-ld ld.gold
  ln -sf ld.gold ld
[% END %]
[% IF c("var/linux-arm") && 0 %]
  # gold is disabled for cross-compiles, because of
  # https://sourceware.org/bugzilla/show_bug.cgi?id=14995
  # Once we upgrade to glibc 2.26 and binutils 2.28, we should be able to
  # re-introduce gold for cross-compiles.

  # Make sure gold is used with the hardening wrapper for full RELRO, see #13031.
  # First do the filename-prefixed ones...
  cd $distdir/bin
  rm [% c('var/crosstarget') %]-ld
  cp /usr/bin/hardened-ld ./
  mv [% c('var/crosstarget') %]-ld.gold [% c('var/crosstarget') %]-ld.gold.real
  ln -sf hardened-ld [% c('var/crosstarget') %]-ld.gold
  ln -sf [% c('var/crosstarget') %]-ld.gold [% c('var/crosstarget') %]-ld
  # Then do the directory-prefixed ones...
  cd $distdir/[% c('var/crosstarget') %]/bin
  rm ld
  cp /usr/bin/hardened-ld ./
  mv ld.gold ld.gold.real
  ln -sf hardened-ld ld.gold
  ln -sf ld.gold ld
[% END %]

cd /var/tmp/dist
[% c('tar', {
        tar_src => [ project ],
        tar_args => '-czf ' _ dest_dir _ '/' _ c('filename'),
        }) %]
